OpenTechnical

OT-2026-000087835

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000087835) never changes.

Identity and time

Publication numberOT-2026-000087835 · never reused
Internal UUID01a0ae9b-1aa5-724b-b90e-043737d4811d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087835
StatusPUBLIC

Content hashes

Canonical text24379d322a321b75e31a932d8bc1f7ab1a3fb57e17b259e95f6f01b6d84743f2
Markdowne44d156be3afde8a0fa65b25ffe4ba2b88dc38dfa00f50517b65e87d21ee5c87
PDF
Publication page1e9f16a47afd76b17bda6d2b41d8b976c71a5b5153eb02af72662646f73da3c2
Manifest52a5143d025b7576419ffa6683ccb42a73a4f907d59ce6d7d7d4973f42e83eb9

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureDCRAHnyR4gzqUZyzGs/IbCroDv35yYA75VuczMpCQqyiNWO0s3v2ZKTw0kA+yoGpDxDRFw3ylWztHZFJlEI0Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:49:04.584329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087835
observed 1e9f16a47afd76b17bda6d2b41d8b976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.567200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087835/manifest.json
observed 52a5143d025b7576419ffa6683ccb42a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.549839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087835/publication.md
observed e44d156be3afde8a0fa65b25ffe4ba2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:04.530376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087835/publication.txt
observed 24379d322a321b75e31a932d8bc1f7ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.